Interscalene Brachial Plexus Block for Shoulder Surgery
John E. Tetzlaff, Helen J. Yoon, John Brems
Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control Sep 1994, 19 (5) 339-343; DOI: 10.1136/rapm-00115550-199419050-00009